SEPTA Electrician Practice Test 2026 - Free Electrician Practice Questions and Study Guide

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How many watts are in 1 kilowatt?

1000 watts

Kilowatt is a unit of power where the prefix kilo- means 1,000. So 1 kilowatt equals 1,000 watts. This prefix makes it convenient to express larger power values, like appliances or motors, without writing long numbers. The other values correspond to different scales: 100 watts is 10^2 watts and not a kilowatt; 1,000,000 watts is a megawatt; 10 watts is only 10 watts, far smaller than a kilowatt.

100 watts

1000000 watts

10 watts

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